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Official Site: BBC

Tegan Jovanka is a fictional character played by Janet Fielding in the long-running British science fiction television series Doctor Who. An Australian airline stewardess and a native of Brisbane who was a companion of the Fourth and Fifth Doctor, she was a regular in the programme from 1981 to 1984.

Tegan was the longest-serving companion in terms of continuous years on the series (3 years, 1 month), closely followed by Sarah Jane Smith (whom Tegan briefly meets in the serial The Five Doctors). Jamie McCrimmon was in more episodes and serials than Tegan, while Rose Tyler was in more serials, but not as many episodes. Sarah Jane was the longest-serving companion non-continuously and Brigadier Lethbridge-Stewart had the longest non-continuous run when the official BBC spin-off programmes are included.

According to producer John Nathan-Turner, when he was thinking of a name for the character, it was either going to be Tegan, after a friend's niece in Australia, or Jovanka, after Jovanka Broz, the widow of Yugoslavia President Josip Broz Tito, so he wrote both down on a piece of paper. Script editor Christopher H. Bidmead mistakenly believed that Jovanka was the character's last name rather than an alternative, and so christened her Tegan Jovanka.

Tegan first appears in the Fourth Doctor's last serial, Logopolis. En route to Heathrow Airport to start her new job as a stewardess with Air Australia, her aunt Vanessa's vehicle (in which she is riding) suffers a flat tyre. Tegan enters a roadside police box to seek help, not knowing that it is actually the Doctor's disguised TARDIS. She is present when the Fourth Doctor falls from the Pharos Project radio telescope and regenerates into his fifth incarnation, and continues to journey with the Doctor and his other companions. She travels with the Doctor initially because her aunt was killed by the Master, although she still wants to get to Heathrow Airport to start her new job, as soon as the Doctor can get her there.

Tegan Jovanka has not been a contender in any CBUB matches.